Tubulin alpha-1D chain

UniProtKB accession:  Q2HJ86

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UniProtKB description:  Tubulin is the major constituent of microtubules, a cylinder consisting of laterally associated linear protofilaments composed of alpha- and beta-tubulin heterodimers (PubMed:2207090, PubMed:6504138, PubMed:7704569). Microtubules grow by the addition of GTP-tubulin dimers to the microtubule end, where a stabilizing cap forms. Below the cap, tubulin dimers are in GDP-bound state, owing to GTPase activity of alpha-tubulin (PubMed:2207090, PubMed:6504138, PubMed:7704569).